True Crime... on the page

What are the finest true crime books? The genre is so wide, the list is exhaustive. I can't rank these in any order - but they are my favourite few. I'd love to hear yours.

I want more than crime from my true crime literature. In what ways do the events on the page shine a light on society? How much research has gone into the book? What craft is displayed in the writing? How is the genre elevated somehow? These are my favourites, I’d love to know yours - am always after a good recommendation! Write and let me know.

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